Williams, A. R. (2014). The Kaiser's captive: In the claws of the German Eagle. Pen & Sword Military.
芝加哥风格引文Williams, Albert Rhys. The Kaiser's Captive: In the Claws of the German Eagle. South Yorkshire, [England] ; New York, [New York]: Pen & Sword Military, 2014.
MLA引文Williams, Albert Rhys. The Kaiser's Captive: In the Claws of the German Eagle. Pen & Sword Military, 2014.
警告：这些引文格式不一定是100％准确.